lip-smacking vs luscious

lip-smacking

adj

  • Tasty; appetizing. 

noun

  • The act of smacking one's lips 

adv

  • Very. 

luscious

adj

  • Sweet and pleasant; delicious. 

  • Sexually appealing; seductive. 

  • Obscene. 

How often have the words lip-smacking and luscious occurred in a corpus of books? (source: Google Ngram Viewer )